Section 796(b) in Police Regulations, Bengal , 1943
(b)(i)Assistant Sub-Inspectors, head constables, naiks and constables of the Special Armed Force and the mobilization contingent shall fire the general musketry course annually. One half of the remaining men of the Unarmed Police shall fire the course each year, so that every man fires the course biennially.(ii)Recruits received back from the Police Training College shall fire the complete course in the district during the first musketry season after their return.(iii)The page number of the register of musketry practice (B. P. Form No. 156) bearing the man's score shall be entered in red ink in the casual leave register against the name of each man who fires, under the column for the year in which he fires the course, thus:-